Tech

View HTTP requests made by Internet Explorer

Tools that can inspect HTTP traffic coming from IE8, IE9, IE10 etc.Browser plugins

Network sniffers

Detect if Android application is running inside a unit test

I wanted to disable ACRA in an Android application while it was being unit tested by the android.test framework, so that crashes in worker threads would get detected by the test runner as failures, instead of getting reported to ACRA.

Open Google Maps Android "Offline" List While Online

To open the list of offline maps in Google Maps for Android while a network connection is enabled, tap on "Maps" in the title bar and pick "My Places" from the list that drops down.

This can be useful for resuming failed downloads or re-downloading offline maps if they have mysteriously been deleted.

Convert .vmdk virtual disk to .vdi

To convert a .vmdk virtual disk file into .vdi:

VBoxManage clonehd filename.vmdk filename.vdi -format VDI

Projecting images onto a soap bubble

Switching the Windows key behavior in Ubuntu Unity

Ubuntu 12.04 LTS (Precise Pangolin)

Unity 2D

  1. Disable/prevent the Windows (a.k.a. "Super") key from opening the dash home application launcher menu:

    sudo apt-get install dconf-tool || sudo apt-get install dconf-tools

    dconf write /com/canonical/unity-2d/launcher/super-key-enable false

ssh over Tor on Mac OS X without torify or proxychains

To connect to a server using ssh through Tor from a computer that does not have proxychains, tsocks or torify installed, you can run:

ssh -o ProxyCommand='nc -x [tor_server]:[tor_port] %h %p' [ssh_server]

For example, if you have a standard install of Tor on your own computer and want to log in to example.com, you can run:

ssh -o ProxyCommand='nc -x 0:9050 %h %p' example.com

pyplot: how to display multiple figures / windows simultaneously

To display multiple figures/windows at the same time in pyplot, you can use the figure() function:

import matplotlib.pyplot as p
p.plot(range(10))
p.figure()
p.plot(range(10), 'ro-')
p.show()

Kill the Dock in Mac OS X

To kill the dock in Mac OS X, in a Terminal, type:

killall Dock

The dock will shut down and  re-start automatically.  If do not want the dock to run at all—for example if you want to free up memory or free up pixels from the screen—remove the /System/Library/CoreServices/Dock.app directory with:

cd /System/Library/CoreServices
sudo mv Dock.app Dock.app.orig
killall Dock

Un-fetch git-svn revisions; Rewind git svn commits; Revert remotes/trunk branch

It's possible for an old subversion commit to be changed after it has already been committed.  One example is someone editing a commit log message for an old revision with svn propedit -r <revision> --revprop svn:log <URL>

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